138753328858145 has 32 divisors (see below), whose sum is σ = 174640648492800. Its totient is φ = 105628816744704.

The previous prime is 138753328858051. The next prime is 138753328858147. The reversal of 138753328858145 is 541858823357831.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-138753328858145 is a prime.

It is not an unprimeable number, because it can be changed into a prime (138753328858147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31063319 + ... + 35248211.

It is an arithmetic number, because the mean of its divisors is an integer number (5457520265400).

Almost surely, 2^{138753328858145} is an apocalyptic number.

It is an amenable number.

138753328858145 is a deficient number, since it is larger than the sum of its proper divisors (35887319634655).

138753328858145 is a wasteful number, since it uses less digits than its factorization.

138753328858145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4186409.

The product of its digits is 774144000, while the sum is 71.

The spelling of 138753328858145 in words is "one hundred thirty-eight trillion, seven hundred fifty-three billion, three hundred twenty-eight million, eight hundred fifty-eight thousand, one hundred forty-five".